All ActivityMost RecentMost LikesSolutionsRe: Breakdown InformationHello a bit of a back yard mechanic but i know of a sensor called a map sensor its job is to stop fuel distribution in the event of an accident the sensor is a small ball bearing situated in a small contact zone but with a jar i dont know the physics or force needed to dislodge this bearing but when this happens electric power is interupted to the fuel pumps Its posible that the jolt caused the sensor to hickup the sensor is usualy mounted on the fire wall under the dash board